Home / 63,729.83-87,943.75-36,872.78

Finding the Fourth Proportional to 63,729.83, 87,943.75 and 36,872.78

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Solution

The fourth proportional to 63,729.83, 87,943.75 and 36,872.78 is: 50,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,729.83 : 87,943.75 = 36,872.78 : x
  2. Step 2: Convert to fraction form
    63,729.83/87,943.75 = 36,872.78/x
  3. Step 3: Cross multiply
    63,729.83x = 87,943.75 × 36,872.78
  4. Step 4: Simplify right side
    63,729.83x = 3,242,730,014.22
  5. Step 5: Solve for x
    x = 3,242,730,014.22/63,729.83
  6. Step 6: Final answer
    x = 50,882.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.